Loudspeaker, Amplifier, Conference System manufacturer / supplier in China, offering Tbs-Mic Bluetooth Wireless Microphone for Karaoke/Conference Instant Pairing with Track Speaker System, Track Wireless Bluetooth Speaker with One-to-N Pairing & Karaoke Mode Multi-Scene for Home Theater/Store/Yoga Studio, Smart Home New Style Track Bluetooth Speaker 15W RMS Wireless Microphone Karaoke Drum Lampshade 8ohm Speaker and so on.